Esther Quijoy Catalya, MD - Medicare Internal Medicine in Pleasant Hill, CA

Esther Quijoy Catalya, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Pleasant Hill, California. Her current practice location is 400 Taylor Blvd, Suite 202, Pleasant Hill, California. You can reach out to her office (for appointments etc.) via phone at (925) 672-5041.

Esther Quijoy Catalya is licensed to practice in California (license number A44912) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1629184148.

Contact Information

Esther Quijoy Catalya, MD
400 Taylor Blvd, Suite 202,
Pleasant Hill, CA 94523-2147
(925) 672-5041
(925) 677-5025

Map and Direction




Physician's Profile

Full NameEsther Quijoy Catalya
GenderFemale
SpecialityInternal Medicine - Hematology & Oncology
Location400 Taylor Blvd, Pleasant Hill, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1629184148
  • Provider Enumeration Date: 08/21/2006
  • Last Update Date: 08/08/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 3072584127
  • Enrollment ID: I20040803001102

Medical Identifiers

Medical identifiers for Esther Quijoy Catalya such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1629184148NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology A44912 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Esther Quijoy Catalya allows following entities to bill medicare on her behalf.
Entity NameJohn Muir Trauma Physicians Billing Service
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093864837
PECOS PAC ID: 3476542515
Enrollment ID: O20050420001452

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Esther Quijoy Catalya is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Esther Quijoy Catalya, MD
400 Taylor Blvd, Suite 202,
Pleasant Hill, CA 94523-2147

Ph: (925) 672-5041
Esther Quijoy Catalya, MD
400 Taylor Blvd, Suite 202,
Pleasant Hill, CA 94523-2147

Ph: (925) 672-5041

Reviews and Comments


Internal Medicine Doctors in Pleasant Hill, CA

Dr. Claudia Marcela Husni, M.D, MPH
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 2100 Monument Blvd. Suite 8, Pleasant Hill, CA 94523
Phone: 925-363-2000    Fax: 925-363-2006
Matthew Nelson Sirott, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 400 Taylor Blvd, Ste 202, Pleasant Hill, CA 94523
Phone: 925-677-5041    Fax: 925-677-5025
Teera Chentanez, M.D.
Hematology & Oncology
Medicare: May Accept Medicare Assignments
Practice Location: 400 Taylor Blvd Ste 102, Pleasant Hill, CA 94523
Phone: 925-687-2570    Fax: 925-687-2847
Ronak Patel, M.D.
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 400 Taylor Blvd Ste 202, Pleasant Hill, CA 94523
Phone: 925-677-5047    
Dr. Shoba Kankipati, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 400 Taylor Blvd,, Suite 201, Pleasant Hill, CA 94523
Phone: 925-687-2570    Fax: 925-687-2847
Jewel Johl, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 400 Taylor Blvd, Pleasant Hill, CA 94523
Phone: 925-677-5041    Fax: 925-677-5025
Dr. Miguel Cerejo, D.O.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 400 Taylor Blvd, Suite # 201, Pleasant Hill, CA 94523
Phone: 925-687-2570    Fax: 925-687-2847

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.